CVE-2026-2754 Missing authorization in NavBox

High 7.5 Published 6 Mar 2026 Updated 10 Mar 2026

Unauthenticated attackers can access sensitive ECDIS and OT data via HTTP API endpoints on Navtor NavBox devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-2754?

CVE-2026-2754 is a high-severity missing authorization vulnerability in Navtor NavBox, published on 6 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Navtor NavBox exposes sensitive configuration and operational data due to missing authentication on HTTP API endpoints. An unauthenticated remote attacker with network access to the device can execute HTTP GET requests to TCP port 8080 to retrieve internal network parameters including ECDIS & OT Information, device identifiers, and service status logs.

Weakness: CWE-306

Which versions are affected by CVE-2026-2754?

It affects 1 product.

Products include Navtor Navbox Firmware.

How do I fix CVE-2026-2754?

No fix has been published for CVE-2026-2754 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-2754 being exploited?

There is no known exploitation of CVE-2026-2754 in the wild and no public exploit code.

Sources

Also known as GHSA-5545-c88g-wqpf.